RWC K Engine no. However, the ageing TC motor having only 8-valves and the potential of up to bhp were soon thought insufficient to stay ahead of the competition on the circuits and rally stages, so alternative power units such as the 2. To withstand the long distances and high altitudes of the Andes during the London to Mexico Rally, a rugged but simple push-rod motor of cc capacity was developed for the works Mexico Escort entries which went on to dominate the leader board of the South American Marathon. These Cosworth 4-cylinder engines with belt-driven double overhead-camshafts and valves powered the production Escort RS between and
Category:Ford Escort 1850 GT of Hannu Mikkola (1970 World Cup Rally)
Ford Escort GT (Mikkola/Palm) London-Mexico Rally … | Flickr
In the Ford Twin Cam engine was replaced by a Cosworth BDA valve unit to create the definitive Escort rally car, the RS, though the engine was, in fact, homologated at 1,cc to enable future enlargement up to the 2-litre class capacity limit. Enlarged at first to 1. In this ultimate form the Escort RS proved good enough to win the RAC Rally three times on the trot between and as well as a host of other World Championship events. The team was sponsored by Wills Tobacco and carried the livery of its Embassy brand. In the event, Clark and his co-driver Jim Porter could manage only 11th place, handicapped by a faulty gearbox and a defective fuel gauge that caused them to run out of fuel, but nevertheless had demonstrated its true potential by setting the fastest time on two of the stages.
Mikkola's rally career spanned 31 years, starting with a Volvo PV in , but his most successful period was during the s and s. The s saw Mikkola a frontrunner in many international events, usually in a Ford Escort. Mikkola was joined by Swedish co-driver Arne Hertz in and the pair were very quickly a force to be reckoned with, winning the British Rally Championship in in an Escort.